/** @file
  OP-TEE SMC header file.

  Copyright (c) 2018, Linaro Ltd. All rights reserved.<BR>

  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#ifndef _OPTEE_SMC_H_
#define _OPTEE_SMC_H_

/* Returned in Arg0 only from Trusted OS functions */
#define OPTEE_SMC_RETURN_OK                     0x0

#define OPTEE_SMC_RETURN_FROM_RPC               0x32000003
#define OPTEE_SMC_CALL_WITH_ARG                 0x32000004
#define OPTEE_SMC_GET_SHARED_MEMORY_CONFIG      0xb2000007

#define OPTEE_SMC_SHARED_MEMORY_CACHED          1

#define OPTEE_SMC_RETURN_UNKNOWN_FUNCTION       0xffffffff
#define OPTEE_SMC_RETURN_RPC_PREFIX_MASK        0xffff0000
#define OPTEE_SMC_RETURN_RPC_PREFIX             0xffff0000
#define OPTEE_SMC_RETURN_RPC_FOREIGN_INTERRUPT  0xffff0004

#define OPTEE_MESSAGE_COMMAND_OPEN_SESSION      0
#define OPTEE_MESSAGE_COMMAND_INVOKE_FUNCTION   1
#define OPTEE_MESSAGE_COMMAND_CLOSE_SESSION     2

#define OPTEE_MESSAGE_ATTRIBUTE_META            0x100

#define OPTEE_LOGIN_PUBLIC                      0x0

typedef struct {
  UINTN    Base;
  UINTN    Size;
} OPTEE_SHARED_MEMORY_INFORMATION;

//
// UUID struct compliant with RFC4122 (network byte order).
//
typedef struct {
  UINT32  Data1;
  UINT16  Data2;
  UINT16  Data3;
  UINT8   Data4[8];
} RFC4122_UUID;

#endif
